function hide_id(elem) {
 my_element = document.getElementById(elem);
 my_element.style.display= "none";
 clearTimeout(my_timeout_id);	
return;
}

function hide_after_id(time, elem) {
 my_timeout_id = setTimeout("hide_id('roll-down')", time*100);	  
 return;
}


function show_id(elem) {
 my_element = document.getElementById(elem);
 my_element.style.display= "block";
 clearTimeout(my_timeout_id);
return;
}

function toggle_faq_display(elem) {
my_element = document.getElementById(elem);
     if (my_element.style.display == "none") {my_element.style.display = "block";} else {
my_element.style.display = "none";
}
return;
}

function hide_answer(elem) {
document.getElementById(elem).style.display= "none";
return;
}